| 500 Chiswick High Road Management Company Limited | Households | 2015 |
| A Holland Electrical Ltd | Construction | 2022 |
| Acore Project Management Limited | Construction | 2019 |
| Active Go Go Limited | Education | 2025 |
| Advance Accounting Solutions Ltd | Professional & scientific | 2010 |
| Advance Contracting Solutions Limited | Administrative & support | 2010 |
| Advance Group Holdings Ltd | Financial services | 2015 |
| Advance IR35 Limited | Administrative & support | 2019 |
| Advance Returns Ltd | Professional & scientific | 2018 |
| AG Trustee Limited | Extraterritorial | 2022 |
| AJ Soulsby Ltd | Administrative & support | 2018 |
| Alchemist Services Ltd | Administrative & support | 2018 |
| ALL Saints Resident Management Company Limited | Households | 2021 |
| Amanda Chadwick HR Ltd | Other services | 2016 |
| Amington Garden Village Management Company Limited | Households | 2019 |
| Anastasia Donaldson Frame Consulting Ltd | Professional & scientific | 2020 |
| Andy Emerton HGV Services Ltd | Education | 2017 |
| Aqsem Ltd | Administrative & support | 2018 |
| Arden Fields (Bulkington) Maisonettes Management Company Limited | Households | 2024 |
| ARM Data Analytics Limited | Information & communication | 2025 |
| Arts for Health and Wellbeing CIC | Education | 2025 |
| Askin Engineering Ltd | Administrative & support | 2021 |
| ASL Clements Ltd | Administrative & support | 2019 |
| Astute Investment Management Ltd | Financial services | 2019 |
| Astute Private Wealth Limited | Financial services | 2010 |
| Astute Wealth Holdings Limited | Financial services | 2019 |
| Astute Wealth Services Ltd | Financial services | 2019 |
| AUT Engineering Ltd | Administrative & support | 2022 |
| Berkeley Dene Management Company Limited | Real estate | 2022 |
| Biospire Consulting Ltd | Administrative & support | 2023 |
| BK Tech Specialists Ltd | Administrative & support | 2018 |
| Blackthorn Management Company at Blossom Park Limited | Households | 2023 |
| Blease Chemistry Limited | Other services | 2023 |
| Blossom Park Management Company Limited | Households | 2023 |
| Bloxham Vale Management Company Limited | Households | 2018 |
| Blue Frame Technologies Limited | Administrative & support | 2021 |
| Blundells Grange Infrastructure Management Company Limited | Households | 2023 |
| Blundells Grange Management Company Limited | Real estate | 2023 |
| BOB White Tyres Limited | Manufacturing | 2008 |
| BOO Group Ltd | Financial services | 2019 |
| Bould Innovative Designs Ltd | Professional & scientific | 2022 |
| Bramdale Holdings Limited | Financial services | 2020 |
| Broad Oak Open Space Management Ltd | Administrative & support | 2019 |
| Broughton Manor (Milton Keynes) Management Company Limited | Households | 2011 |
| Broxtons EA Ltd | Real estate | 2016 |
| Business Finance House Limited | Financial services | 2020 |
| Byte Syntax Ltd | Administrative & support | 2018 |
| C4RM4X Ltd | Information & communication | 2017 |
| Calsinaid Solutions Ltd | Administrative & support | 2023 |
| Castell Ventures Limited | Health & social care | 2012 |
| Chalfont Design Consultancy Ltd | Professional & scientific | 2018 |
| Charlton Common Management Company (Filton) Limited | Households | 2024 |
| Cherry Management Company at Blossom Park Limited | Households | 2024 |
| Chris Davies Mechanical Services Ltd | Administrative & support | 2019 |
| CJK Consulting Ltd | Administrative & support | 2021 |
| Closed Circuit Security Limited | Administrative & support | 2005 |
| Cloudra Ltd | Administrative & support | 2023 |
| Cognoscenti Project Management Ltd | Administrative & support | 2018 |
| Colindale Gardens (Block W) Management Company Limited | Households | 2025 |
| Colindale Gardens (Block X) Management Company Limited | Households | 2025 |
| Colindale Gardens (Dianthus) Management Company Limited | Households | 2023 |
| Colindale Gardens Energy Management Company Limited | Households | 2016 |
| Connect-Norfolk Ltd | Administrative & support | 2023 |
| Corvvs Design and Analysis Ltd | Administrative & support | 2023 |
| CRS Solicitors Limited | Professional & scientific | 2009 |
| Crux Ventures Ltd | Information & communication | 2019 |
| D J B 68 Electrical Services Limited | Administrative & support | 2019 |
| D M Birkhead Ltd | Administrative & support | 2020 |
| Daniel Jones Engineering Ltd | Professional & scientific | 2015 |
| Darkside Design Ltd | Administrative & support | 2021 |
| DDW Engineering Solutions Ltd | Professional & scientific | 2023 |
| Delta Analytica Ltd | Manufacturing | 2017 |
| Discount Sports Skipton Limited | Wholesale & retail | 2019 |
| Dlrn Holdings Limited | Real estate | 2024 |
| DS Anderson OS Ltd | Administrative & support | 2020 |
| Duddledum Limited | Arts & recreation | 2014 |
| Dylunio Solutions Ltd | Professional & scientific | 2013 |
| Earls Court Farm Worcester Residents Management Company Limited | Households | 2022 |
| ECT Ltd | Administrative & support | 2017 |
| Edwards Homes (Hollybrook Park) Ltd | Construction | 2023 |
| Edwards Homes (Mayfield) Ltd | Construction | 2017 |
| Edwards Homes (ST Helens) Ltd | Construction | 2020 |
| Edwards Homes Developments Ltd | Construction | 2008 |
| Edwards Homes Group Holdings Limited | Financial services | 2024 |
| Edwards Homes Group Ltd | Financial services | 2019 |
| Edwards Homes Ltd | Construction | 1998 |
| EIGHTY4 Group Limited | Real estate | 2020 |
| Elderflower Management Company at Blossom Park Limited | Households | 2024 |
| Elevate Surveys Ltd | Administrative & support | 2023 |
| Energy Honestly Ltd | Administrative & support | 2017 |
| FAT Paps Games Ltd | Information & communication | 2021 |
| Flight Technik Limited | Professional & scientific | 2009 |
| Flintshire Crane Hire Limited | Construction | 1995 |
| Garstone Limited | Wholesale & retail | 2015 |
| GCS Program Management Limited | Administrative & support | 2017 |
| Gmtechify Limited | Professional & scientific | 2017 |
| GR Piping Design & CAD Services Ltd | Manufacturing | 2017 |
| Grace Ec&I Ltd | Administrative & support | 2019 |
| Grant IT Services Ltd | Information & communication | 2016 |
| Greenways Management Company Limited | Households | 2024 |